CanvasBlocker Firefox

This page uses different techniques to recognize whether a browser extension is installed to spoof the canvas fingerprint result or not. Sometimes to protect browser identity, a browser extension adds random noise to the canvas and this noise alters the fingerprint result (hash code). Although the actual identity might be protected, there are still methods to detect

https://webbrowsertools.com/canvas-fingerprint/

https://addons.mozilla.org/ru/firefox/addon/canvasblocker/?src=search